I'm looking for a replacement for Aperture and have heard great things about Lightroom. I have 130GB of photos in Aperture. They are split between my pre-Aperture photos which are all stored as .jpgs and referenced by Aperture and photos that I added after I started using Aperture. The second group are all in the massive Aperture library file. From within Aperture, I access both types of files the same way with seemingly no difference. In fact, I'd forgotten the difference until this upgrade.

I used the plugin to migrate my photos and everything within the Aperture library migrated without issue. However, the reference files all had an error: